212021230301 has 8 divisors (see below), whose sum is σ = 212324802744. Its totient is φ = 211717877760.

The previous prime is 212021230297. The next prime is 212021230307. The reversal of 212021230301 is 103032120212.

It can be written as a sum of positive squares in 4 ways, for example, as 97575016900 + 114446213401 = 312370^2 + 338299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021230301 - 2² = 212021230297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212021230301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021230307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925405 + ... + 2032541.

It is an arithmetic number, because the mean of its divisors is an integer number (26540600343).

Almost surely, 2^212021230301 is an apocalyptic number.

It is an amenable number.

212021230301 is a deficient number, since it is larger than the sum of its proper divisors (303572443).

212021230301 is a wasteful number, since it uses less digits than its factorization.

212021230301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109951.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212021230301 its reverse (103032120212), we get a palindrome (315053350513).

The spelling of 212021230301 in words is "two hundred twelve billion, twenty-one million, two hundred thirty thousand, three hundred one".